this is my fault. the developers added a real sched_yield in 3.9
but was not built into the kernel by default. i assumed it would be
for 4.0, but they just turned it on only after the release.
i'll send a patch over to Russ which will fix this for 4.0 systems.
sorry about that.
tim
> OpenBSD 4.0 running in QEmu 0.8.2 on FreeBSD 6.0
>
>
> # cd /usr/local/plan9
> # ./INSTALL
> * Resetting /usr/local/plan9/config
> * Building everything (be patient)...
> >>> cd /usr/local/plan9/src/cmd; mk all
> 9l -o o.9p 9p.o
> /usr/local/plan9/src/lib9/sleep.c:25: undefined reference to `sched_yield'
> collect2: ld returned 1 exit status
> mk: 9l -o o.9p ... : exit status=exit(1)
> mk: for i in ... : exit status=exit(1)
> #
>
> MD5 (plan9port.tgz) = e6aba1ebf35fe0407304069dd1ea35c8
